addition curves with points. python bindings

python/curves/curves_python.cpp

@@ -652,12 +652,16 @@ BOOST_PYTHON_MODULE(curves) {
       .def(bp::self == bp::self)
       .def(bp::self != bp::self)
       .def("cross", &bezier3_t::cross, bp::args("other"), "Compute the cross product of the current bezier by another bezier. The cross product p1Xp2 of 2 polynomials p1 and p2 is defined such that forall t, p1Xp2(t) = p1(t) X p2(t), with X designing the cross product. This method of course only makes sense for dimension 3 curves.")
-      .def(self += bezier3_t())
-      .def(self -= bezier3_t())
       .def(self *= double())
       .def(self /= double())
       .def(self +  bezier3_t())
       .def(self -  bezier3_t())
+      .def(self += bezier3_t())
+      .def(self -= bezier3_t())
+      .def(self +  bezier3_t::point_t())
+      .def(self -  bezier3_t::point_t())
+      .def(self += bezier3_t::point_t())
+      .def(self -= bezier3_t::point_t())
       .def(-self)
       .def(self * double())
       .def(self / double())
@@ -692,10 +696,14 @@ BOOST_PYTHON_MODULE(curves) {
       .def("cross", &bezier_t::cross, bp::args("other"), "Compute the cross product of the current bezier by another bezier. The cross product p1Xp2 of 2 polynomials p1 and p2 is defined such that forall t, p1Xp2(t) = p1(t) X p2(t), with X designing the cross product. This method of course only makes sense for dimension 3 curves.")
       .def(self += bezier_t())
       .def(self -= bezier_t())
-      .def(self *= double())
-      .def(self /= double())
       .def(self +  bezier_t())
       .def(self -  bezier_t())
+      .def(self += bezier_t::point_t())
+      .def(self -= bezier_t::point_t())
+      .def(self +  bezier_t::point_t())
+      .def(self -  bezier_t::point_t())
+      .def(self *= double())
+      .def(self /= double())
       .def(-self)
       .def(self * double())
       .def(self / double())
@@ -755,10 +763,14 @@ BOOST_PYTHON_MODULE(curves) {
       .def(bp::self != bp::self)
       .def(self += bezier_linear_variable_t())
       .def(self -= bezier_linear_variable_t())
-      .def(self *= double())
-      .def(self /= double())
       .def(self +  bezier_linear_variable_t())
       .def(self -  bezier_linear_variable_t())
+      .def(self += linear_variable_t())
+      .def(self -= linear_variable_t())
+      .def(self +  linear_variable_t())
+      .def(self -  linear_variable_t())
+      .def(self *= double())
+      .def(self /= double())
       .def(-self)
       .def(self * double())
       .def(self / double())

python/test/test.py

@@ -79,6 +79,10 @@ class TestCurves(unittest.TestCase):
         b = -a1
         c = a.cross(b)
         c(0)
+        b += array([1., 2., 3.])
+        b -= array([1., 2., 3.])
+        b =  a + array([1., 2., 3.])
+        b =  a - array([1., 2., 3.])
         
         # self.assertTrue((a.waypoints == waypoints).all())
         # Test : Degree, min, max, derivate
@@ -195,6 +199,10 @@ class TestCurves(unittest.TestCase):
         b = -a1
         c = a.cross(b)
         c(0)
+        b += array([1., 2., 3.])
+        b -= array([1., 2., 3.])
+        b =  a + array([1., 2., 3.])
+        b =  a - array([1., 2., 3.])
         
         # Test waypoints
         self.assertTrue(a.nbWaypoints == 2)